.exploration-body .content {
        width: min(98rem, calc(100vw - 2rem));
        max-width: none;
      }

      .epoch-strip {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 1rem;
        padding: 0.2rem 0 0.75rem;
      }

      .epoch-strip label {
        font-size: 0.92rem;
        color: var(--muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
      }

      .epoch-readout {
        min-width: 7.5rem;
        font-size: 1.05rem;
      }

      .epoch-slider {
        flex: 1 1 320px;
        min-width: 220px;
      }

      .epoch-controls {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
      }

      .epoch-chip {
        border: 1px solid var(--line);
        background: rgba(255,255,255,0.55);
        color: var(--ink);
        border-radius: 999px;
        padding: 0.25rem 0.55rem;
        font: inherit;
        font-size: 0.82rem;
        cursor: pointer;
      }

      .epoch-chip:hover {
        background: rgba(255,255,255,0.9);
      }

      .tabs {
        display: flex;
        gap: 0.25rem;
        padding: 0.7rem 0 0;
      }

      .tab-button {
        border: 0;
        border-bottom: 2px solid transparent;
        background: transparent;
        color: var(--muted);
        font: inherit;
        padding: 0.55rem 0.3rem;
        margin-right: 1rem;
        cursor: pointer;
      }

      .tab-button.active {
        color: var(--ink);
        border-color: var(--accent);
      }

      .tab-panel {
        display: none;
        padding-top: 0.8rem;
      }

      .tab-panel.active {
        display: block;
      }

      .tab-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        margin-bottom: 0.15rem;
      }

      .tab-title {
        margin: 0;
        font-size: 1.5rem;
      }

      .inline-note {
        color: var(--muted);
        font-size: 0.95rem;
        line-height: 1.55;
        max-width: 64rem;
        margin: 0.55rem 0 0;
      }

      .table-wrap {
        overflow: auto;
      }

      .marker-strip {
        display: flex;
        flex-wrap: wrap;
        gap: 0.45rem 0.65rem;
        margin: 0.25rem 0 0.95rem;
      }

      .marker-pill {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        padding: 0.25rem 0.48rem;
        border: 1px solid var(--line);
        border-radius: 999px;
        font-size: 0.84rem;
        background: rgba(255,255,255,0.44);
      }

      .marker-pill.special {
        border-color: rgba(143, 74, 33, 0.45);
        box-shadow: inset 0 0 0 1px rgba(143, 74, 33, 0.10);
      }

      .precession-table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.95rem;
      }

      .precession-table th,
      .precession-table td {
        padding: 0.48rem 0.45rem;
        border-bottom: 1px solid var(--line);
        text-align: left;
        vertical-align: top;
      }

      .precession-table th {
        font-size: 0.82rem;
        color: var(--muted);
        letter-spacing: 0.04em;
        text-transform: uppercase;
        position: sticky;
        top: 0;
        background: rgba(246, 241, 232, 0.96);
      }

      .precession-table tr.selected {
        background: rgba(143, 74, 33, 0.08);
      }

      .precession-table tr:hover {
        background: rgba(143, 74, 33, 0.05);
      }

      .precession-table tr.season-0 {
        background: rgba(212, 170, 77, 0.24);
      }

      .precession-table tr.season-1 {
        background: rgba(211, 135, 84, 0.22);
      }

      .precession-table tr.season-2 {
        background: rgba(111, 159, 183, 0.22);
      }

      .precession-table tr.season-3 {
        background: rgba(216, 194, 122, 0.22);
      }

      .precession-table tr.season-4 {
        background: rgba(176, 123, 93, 0.22);
      }

      .precession-table tr.season-5 {
        background: rgba(141, 160, 201, 0.22);
      }

      .precession-table tr.marker-row td {
        border-top: 2px solid rgba(143, 74, 33, 0.4);
        border-bottom: 2px solid rgba(143, 74, 33, 0.4);
      }

      .minor {
        color: var(--muted);
        font-size: 0.88rem;
      }

      .tagline {
        display: inline-block;
        padding: 0.15rem 0.38rem;
        border: 1px solid var(--line);
        border-radius: 999px;
        font-size: 0.8rem;
        margin-right: 0.25rem;
        margin-bottom: 0.25rem;
        background: rgba(255,255,255,0.45);
      }

      .sky-toolbar {
        display: flex;
        flex-wrap: wrap;
        gap: 0.85rem 1.2rem;
        align-items: center;
        padding-bottom: 0.45rem;
      }

      .sky-toolbar-spacer {
        flex: 1 1 auto;
      }

      .guide-inline {
        display: inline-flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.45rem 0.55rem;
      }

      .guide-button {
        border-radius: 999px;
        padding: 0.3rem 0.7rem;
        font: inherit;
        font-size: 0.84rem;
        cursor: pointer;
        transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
      }

      .guide-button.stage {
        border: 1px solid rgba(73,61,36,0.24);
        background: rgba(255,255,255,0.52);
        color: var(--ink);
      }

      .guide-button.travel {
        border: 1px solid rgba(143, 74, 33, 0.32);
        background: rgba(143, 74, 33, 0.10);
        color: #7c411f;
      }

      .guide-button:hover {
        background: rgba(255,255,255,0.86);
      }

      .guide-caption {
        display: block;
        width: 100%;
        text-align: center;
        color: #7c411f;
        font-size: 1.8rem;
        line-height: 1.2;
        min-height: 2.2rem;
        opacity: 0;
        transition: opacity 340ms ease;
      }

      .guide-caption.visible {
        opacity: 1;
      }

      .debug-panel {
        position: relative;
        margin: 0;
      }

      .debug-panel summary {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        cursor: pointer;
        color: var(--muted);
        font-size: 0.92rem;
        padding: 0.08rem 0;
      }

      .debug-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
        gap: 0.3rem 0.8rem;
      }

      .debug-popover {
        display: none;
        position: absolute;
        top: calc(100% + 0.45rem);
        left: 0;
        min-width: 28rem;
        max-width: min(44rem, calc(100vw - 4rem));
        padding: 0.75rem 0.9rem 0.9rem;
        border: 1px solid var(--line);
        border-radius: 14px;
        background: rgba(246, 241, 232, 0.97);
        box-shadow: 0 12px 24px rgba(73, 61, 36, 0.08);
        z-index: 20;
      }

      .debug-panel[open] .debug-popover {
        display: block;
      }

      .debug-subhead {
        margin-top: 0.7rem;
        color: var(--muted);
        font-size: 0.84rem;
        letter-spacing: 0.04em;
        text-transform: uppercase;
      }

      .debug-subhead:first-child {
        margin-top: 0;
      }

      .debug-actions {
        display: flex;
        gap: 0.45rem;
        margin-top: 0.45rem;
      }

      .debug-button {
        border: 1px solid var(--line);
        background: rgba(255,255,255,0.55);
        color: var(--ink);
        border-radius: 999px;
        padding: 0.18rem 0.5rem;
        font: inherit;
        font-size: 0.8rem;
        cursor: pointer;
      }

      .debug-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        font-size: 0.88rem;
        color: var(--muted);
      }

      .sky-toggle {
        display: inline-flex;
        align-items: center;
        gap: 0.32rem;
        color: var(--muted);
        font-size: 0.92rem;
      }

      .three-toolbar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.7rem 1rem;
        margin: 0.15rem 0 0.7rem;
      }

      .three-control {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        color: var(--muted);
        font-size: 0.92rem;
      }

      .three-story-strip {
        display: inline-flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 0.38rem;
      }

      .three-story-search {
        min-width: 10rem;
        max-width: 16rem;
        border: 1px solid var(--line);
        border-radius: 999px;
        background: rgba(255,255,255,0.66);
        color: var(--ink);
        font: inherit;
        font-size: 0.84rem;
        padding: 0.28rem 0.62rem;
      }

      .story-search-row {
        display: flex;
        align-items: center;
        gap: 0.45rem;
        margin: 0.1rem 0 0.45rem;
      }

      .story-search-row .three-story-search {
        flex: 1 1 auto;
        min-width: 0;
        max-width: none;
      }

      .story-mode-label {
        color: var(--muted);
        font-size: 0.78rem;
        letter-spacing: 0.04em;
        text-transform: uppercase;
        white-space: nowrap;
      }

      .camera-directive-row {
        display: flex;
        align-items: center;
        gap: 0.4rem;
        margin-top: 0.45rem;
      }

      .camera-directive-field {
        flex: 1 1 auto;
        min-width: 0;
        box-sizing: border-box;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: rgba(255,255,255,0.74);
        color: var(--muted);
        font: 0.76rem/1.2 var(--font-mono);
        padding: 0.45rem 0.55rem;
      }

      .icon-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 2.1rem;
        min-width: 2.1rem;
        height: 2.1rem;
        padding: 0;
      }

      .icon-button svg {
        width: 1rem;
        height: 1rem;
        stroke: currentColor;
      }

      .three-story-pill {
        border: 1px solid rgba(73,61,36,0.22);
        border-radius: 999px;
        background: rgba(255,255,255,0.64);
        color: var(--ink);
        cursor: pointer;
        font: inherit;
        font-size: 0.84rem;
        padding: 0.26rem 0.62rem;
      }

      .three-story-pill.active {
        border-color: rgba(143,74,33,0.56);
        background: rgba(211,176,129,0.28);
      }

      .three-select {
        border: 1px solid var(--line);
        border-radius: 999px;
        background: rgba(255,255,255,0.72);
        color: var(--ink);
        font: inherit;
        font-size: 0.88rem;
        padding: 0.25rem 0.55rem;
      }

      .three-debug-panel {
        position: relative;
        margin-left: auto;
      }

      .three-debug-popover {
        min-width: 30rem;
      }

      .three-workspace {
        display: grid;
        grid-template-columns: minmax(42rem, 1fr) minmax(360px, 440px);
        gap: 1.25rem;
        align-items: stretch;
      }

      .three-workspace.dock-collapsed {
        grid-template-columns: minmax(0, min(76rem, 100%));
        justify-content: center;
      }

      .three-canvas-column {
        min-width: 0;
      }

      .three-container {
        height: clamp(620px, calc(100vh - 14rem), 860px) !important;
      }

      .three-dock {
        border-left: 1px solid var(--line);
        padding-left: 0.9rem;
        min-width: 0;
        position: relative;
      }

      .three-dock.collapsed {
        display: none;
      }

      .three-dock-resizer {
        position: absolute;
        top: 0;
        bottom: 0;
        left: -0.7rem;
        width: 0.8rem;
        border: 0;
        border-left: 1px solid transparent;
        background: transparent;
        cursor: col-resize;
        padding: 0;
      }

      .three-dock-resizer::after {
        content: "";
        position: absolute;
        top: 0.4rem;
        bottom: 0.4rem;
        left: 0.35rem;
        border-left: 2px solid rgba(90, 103, 122, 0.28);
      }

      .three-dock-resizer:hover::after,
      .three-dock-resizer:focus-visible::after {
        border-left-color: var(--accent);
      }

      .three-dock-tabs {
        display: flex;
        gap: 0.3rem;
        margin-bottom: 0.65rem;
      }

      .three-dock-tab {
        border: 0;
        border-bottom: 2px solid transparent;
        background: transparent;
        color: var(--muted);
        cursor: pointer;
        font: inherit;
        font-size: 0.92rem;
        padding: 0.15rem 0.25rem 0.25rem;
      }

      .three-dock-tab.active {
        color: var(--ink);
        border-bottom-color: var(--accent);
      }

      .three-dock-panel {
        display: none;
      }

      .three-dock-panel.active {
        display: block;
      }

      .three-dock-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 0.45rem;
        margin: 0.45rem 0;
      }

      .three-story-select {
        width: 100%;
        box-sizing: border-box;
        border: 1px solid var(--line);
        border-radius: 8px;
        background: rgba(255,255,255,0.72);
        color: var(--ink);
        font: inherit;
        font-size: 0.9rem;
        padding: 0.35rem 0.5rem;
      }

      .three-story-editor {
        width: 100%;
        min-height: 24rem;
        margin-top: 0.5rem;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: rgba(255,255,255,0.84);
        color: var(--ink);
        font: 0.8rem/1.42 var(--font-mono);
        padding: 0.7rem 0.8rem;
        resize: vertical;
        box-sizing: border-box;
      }

      .three-story-editor.vyoma-editor {
        min-height: 14rem;
        margin-top: 0;
        border: 0;
        border-radius: 0;
        background: transparent;
        line-height: var(--vysu-editor-line-height, 1.42rem);
        font-size: var(--vysu-editor-font-size, 0.8rem);
        overflow: auto;
        white-space: pre;
        overflow-wrap: normal;
      }

      .three-story-editor.json-editor {
        min-height: 18rem;
      }

      .vysu-editor-toolbar {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: 0.35rem;
        margin: 0.45rem 0 0.25rem;
        color: var(--muted);
        font-size: 0.78rem;
      }

      .vysu-editor-toolbar label {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
      }

      .vysu-font-size {
        width: 4.4rem;
        border: 1px solid var(--line);
        border-radius: 6px;
        background: rgba(255,255,255,0.78);
        color: var(--ink);
        font: inherit;
        padding: 0.16rem 0.3rem;
      }

      .vysu-editor-shell {
        display: grid;
        grid-template-columns: 3.1rem minmax(0, 1fr);
        min-height: 14rem;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: rgba(255,255,255,0.84);
        overflow: hidden;
      }

      .vysu-line-gutter {
        margin: 0;
        padding: 0.7rem 0.45rem 0.7rem 0.25rem;
        border-right: 1px solid rgba(90, 103, 122, 0.18);
        background: rgba(244, 247, 251, 0.72);
        color: rgba(73, 84, 101, 0.72);
        font-family: var(--font-mono);
        font-size: var(--vysu-editor-font-size, 0.8rem);
        line-height: var(--vysu-editor-line-height, 1.42rem);
        text-align: right;
        user-select: none;
        overflow: hidden;
        white-space: pre;
      }

      .story-subhead {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        margin-top: 0.75rem;
        color: var(--muted);
        font-size: 0.82rem;
        letter-spacing: 0.04em;
        text-transform: uppercase;
      }

      .story-help {
        border: 1px solid var(--line);
        border-radius: 10px;
        background: rgba(255,255,255,0.62);
        margin-top: 0.45rem;
        padding: 0.45rem 0.6rem;
      }

      .story-help summary {
        cursor: pointer;
        color: var(--ink);
        font-size: 0.86rem;
      }

      .story-help pre {
        white-space: pre-wrap;
        color: var(--muted);
        font: 0.76rem/1.35 var(--font-mono);
        margin: 0.45rem 0 0;
      }

      .grammar-block {
        overflow-x: auto;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
        color: var(--muted);
        font: 0.82rem/1.45 var(--font-mono);
        margin: 0.7rem 0 1rem;
        padding: 0.75rem 0.1rem;
        white-space: pre;
      }

      .three-debug-flags {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.4rem 0.8rem;
        margin-top: 0.6rem;
      }

      .three-debug-flag {
        display: inline-flex;
        align-items: center;
        gap: 0.42rem;
        color: var(--muted);
        font-size: 0.86rem;
      }

      .three-debug-textarea {
        width: 100%;
        min-height: 18rem;
        margin-top: 0.55rem;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: rgba(255,255,255,0.84);
        color: var(--ink);
        font: 0.82rem/1.45 var(--font-mono);
        padding: 0.75rem 0.85rem;
        resize: vertical;
        box-sizing: border-box;
      }

      .three-debug-status {
        margin-top: 0.45rem;
        color: var(--muted);
        font-size: 0.82rem;
        min-height: 1.1rem;
      }

      .three-story-caption {
        position: absolute;
        inset: 0;
        display: flex;
        align-items: center;
        justify-content: center;
        pointer-events: none;
        color: rgba(255,255,255,0.94);
        font-family: var(--font-display);
        font-size: clamp(2rem, 5vw, 5rem);
        text-shadow: 0 2px 18px rgba(0,0,0,0.65);
        opacity: 0;
        transition: opacity 260ms ease;
        text-align: center;
      }

      .three-story-caption.visible {
        opacity: 1;
      }

      .three-label-layer {
        position: absolute;
        inset: 0;
        pointer-events: none;
        z-index: 4;
      }

      .three-story-label {
        position: absolute;
        transform: translate(-50%, -50%);
        color: rgba(240, 246, 255, 0.94);
        font: 600 0.92rem var(--font-sans);
        text-shadow: 0 1px 8px rgba(0,0,0,0.8);
        white-space: nowrap;
      }

      .three-fullscreen-button {
        position: absolute;
        right: 0.75rem;
        top: 0.75rem;
        z-index: 3;
        border: 1px solid rgba(255,255,255,0.26);
        border-radius: 999px;
        background: rgba(8,8,16,0.56);
        color: rgba(255,255,255,0.86);
        cursor: pointer;
        font: 0.78rem/1 var(--font-mono);
        padding: 0.35rem 0.55rem;
        opacity: 0.88;
        transition: opacity 700ms ease;
      }

      .three-container.theater-mode .three-fullscreen-button {
        opacity: 0;
      }

      .three-container.theater-mode:hover .three-fullscreen-button,
      .three-container.theater-mode .three-fullscreen-button:focus-visible {
        opacity: 0.86;
      }

      .three-container.theater-mode {
        position: fixed !important;
        inset: 0 !important;
        width: 100vw !important;
        height: 100vh !important;
        z-index: 9999;
        border-radius: 0 !important;
      }

      .sky-figure {
        margin: 0;
      }

      .sky-svg {
        width: 100%;
        height: auto;
        display: block;
      }

      .legend-list {
        display: flex;
        flex-wrap: wrap;
        gap: 0.65rem 1rem;
        margin: 0.8rem 0 0;
        padding: 0;
        list-style: none;
      }

      .legend-item {
        display: inline-flex;
        align-items: center;
        gap: 0.45rem;
        color: var(--muted);
        font-size: 0.88rem;
      }

      .swatch {
        width: 0.9rem;
        height: 0.9rem;
        border-radius: 999px;
        border: 1px solid rgba(0,0,0,0.08);
      }

      .explanation-list {
        margin: 0.4rem 0 0;
        padding-left: 1.1rem;
        line-height: 1.6;
      }

      @media (max-width: 900px) {
        .epoch-strip {
          flex-wrap: wrap;
        }
        .three-workspace {
          grid-template-columns: 1fr;
        }
        .three-workspace.dock-collapsed {
          grid-template-columns: 1fr;
        }
        .three-dock {
          border-left: 0;
          border-top: 1px solid var(--line);
          padding-left: 0;
          padding-top: 0.8rem;
        }
        .three-dock-resizer {
          display: none;
        }
      }